大约有 45,000 项符合查询结果（耗时：0.0514秒） [XML]
What is a good regular expression to match a URL? [duplicate]
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Regex if you want to ensure URL starts with HTTP/HTTPS:
https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
If you do not require HTTP protocol:
[-a-zA-Z0-9@:%._\+~#=]{1,256...
How to make a python, command-line program autocomplete arbitrary things NOT interpreter
...t readline
def completer(text, state):
options = [i for i in commands if i.startswith(text)]
if state < len(options):
return options[state]
else:
return None
readline.parse_and_bind("tab: complete")
readline.set_completer(completer)
The official module docs aren't ...
Is it possible to get CMake to build both a static and shared version of the same library?
...e-use object files for both static and shared target. Especially, general knowledge in SO is still very confusing about it, old/archives don't help to clarify it either, eg. cmake.org/pipermail/cmake/2008-March/020315.html A solid explanation of the status quo is needed. p.s. It wasn't me who downv...
Is it acceptable and safe to run pip install under sudo?
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I did sudo pip install not know damages of using it. How can I undo this command or blocking to run under sudo?
– Emre Değirmenci
Apr 6 at 12:08
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Format floats with standard json module
...e FLOAT_REPR so that EVERY representation of a float is under your control if you wish it to be; but unfortunately that's not how the json package was designed:-(.
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TypeError: 'NoneType' object is not iterable in Python
... return empty list at least. This exception never helped anyone in real life other than making us insert few ugly if data is not None: kind of handling.
– nehem
Sep 1 '17 at 6:59
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Write applications in C or C++ for Android? [closed]
...ts Java, but I'm sure there must be a way to get a C app on there, anyone knows of a way to accomplish this?
20 Answers
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Developing C# on Linux
I'd like to know if there are effective and open source tools to develop C# applications on Linux (Ubuntu). In particular, I have to develop Windows Forms applications.
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Cleanest way to get last item from Python iterator
... is precisely what None is for. Are you suggesting that some function-specific default value could even be correct? If the iterator doesn't actually iterate, then an out-of-band value is more meaningful than some misleading function-specific default.
– S.Lott
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How do I get jQuery to select elements with a . (period) in their ID?
...you query an element with ID Address and class State (granted that if you know the ID you aren't adding much by specifying the class, but it should still be valid, I'd think)?
– bdukes
Mar 25 '09 at 13:12
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